Affiliation:
1. The University of Iowa, Iowa City, and National Center for Voice and Speech, The Denver Center for the Performing Arts, Denver, CO
Abstract
Purpose
Voice therapy with a semi-occluded vocal tract has a long history. The use of lip trills, tongue trills, bilabial fricatives, humming, and phonation into tubes or straws has been hailed by clinicians, singing teachers, and voice coaches as efficacious for training and rehabilitation. Little has been done, however, to provide the scientific underpinnings. The purpose of the study was to investigate the underlying physical principles behind the training and therapy approaches that use semi-occluded vocal tract shapes.
Method
Computer simulation, with a self-oscillating vocal fold model and a 44 section vocal tract, was used to elucidate source–filter interactions for lip and epilarynx tube semi-occlusions.
Results
A semi-occlusion in the front of the vocal tract (at the lips) heightens source–tract interaction by raising the mean supraglottal and intraglottal pressures. Impedance matching by vocal fold adduction and epilarynx tube narrowing can then make the voice more efficient and more economic (in terms of tissue collision).
Conclusion
The efficacious effects of a lip semi-occlusion can also be realized for nonoccluded vocal tracts by a combination of vocal fold adduction and epilarynx tube adjustments. It is reasoned that therapy approaches are designed to match the glottal impedance to the input impedance of the vocal tract.
Publisher
American Speech Language Hearing Association
Subject
Speech and Hearing,Linguistics and Language,Language and Linguistics
Cited by
356 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献
1. Presentation of the ATLETAS DA VOZ™ Conditioning Program;Revista de Investigación e Innovación en Ciencias de la Salud;2024-01-29
2. Immediate effects of the semi-occluded bubble mask technique using VocalFeel® device as vocal warm-up in singers;Logopedics Phoniatrics Vocology;2024-01-25
3. Voice change and vocal fatigue;The Symptom-Based Handbook for Ehlers-Danlos Syndromes and Hypermobility Spectrum Disorders;2024
4. Vocal Cool-Down In Voice Training: Method and Technical Considerations;International Journal on Lifelong Education and Leadership;2023-12-30
5. A Structured Pre- and Post-Operative Voice Therapy Program for Benign Vocal Fold Lesions;Revista de Investigación e Innovación en Ciencias de la Salud;2023-12-21